Home / 26,651.82-39,970.95-7,927.66

Finding the Fourth Proportional to 26,651.82, 39,970.95 and 7,927.66

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Solution

The fourth proportional to 26,651.82, 39,970.95 and 7,927.66 is: 11,889.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,651.82 : 39,970.95 = 7,927.66 : x
  2. Step 2: Convert to fraction form
    26,651.82/39,970.95 = 7,927.66/x
  3. Step 3: Cross multiply
    26,651.82x = 39,970.95 × 7,927.66
  4. Step 4: Simplify right side
    26,651.82x = 316,876,101.48
  5. Step 5: Solve for x
    x = 316,876,101.48/26,651.82
  6. Step 6: Final answer
    x = 11,889.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.